What the common-mode range means for your rail
The INA199B3RSWT is a Zero-Drift current-sense amplifier from Texas Instruments, packaged in a 10-UQFN (1.8x1.4 mm). Its input common-mode range extends from -0.1 V to 26 V, which means it can sit on either the high side or the low side of the supply rail and still measure the drop across the shunt resistor accurately. The ±1.5% accuracy ceiling holds across that entire range, so the gain error budget does not shift as the rail voltage varies.
Temperature grade and deployment context
The 14 kHz bandwidth is sized for DC and low-frequency current loops — motor phase currents, solenoid drive monitoring, or battery charge/discharge profiles — not for high-speed switching edges.